Save
Busy. Please wait.
Log in with Clever
or

Don't have an account?  Sign up
Sign up using Clever
or

taken

Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below

Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

Normal Size     Small Size show me how

# Lines and Angles

TermDefinition
Right Angle an angle that is exactly 90 degrees and looks like an L
Acute Angle an angle that is less than 90 degrees
Obtuse Angle an angle that is greater than 90 degrees
Straight Angle an angle that looks like a straight line and measures to 180 degrees
Angle 2 rays that meet at the same point
Ray it has one endpoint and the other side goes on forever
Segment a piece of a line. It can be shown with 2 points or no points. It has no arrows though!!!
Line a line that goes on forever in both directions, it is shown with arrows
parallel 2 lines that will never meet even if they go on forever
intersect 2 lines that touch or cross over each other
perpendicular 2 lines that intersect, BUT ALSO when they meet it is at a 90 degree angle
point looks like a dot, it shows a LOCATION on a line.
Created by: user-1830480
Popular Math sets

Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

• SPACEBAR - flip the current card
• LEFT ARROW - move card to the Don't know pile
• RIGHT ARROW - move card to Know pile
• BACKSPACE - undo the previous action

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
 "Know" box contains: Time elapsed: Retries:
restart all cards